Highlights of 2019 Australian Open in Melbourne

Karolina Pliskova celebrates after the women's singles 4th round match between Garbine Muguruza of Spain and Karolina Pliskova of the Czech Republic at the 2019 Australian Open in Melbourne, Australia, Jan. 21, 2019. Karolina Pliskova won 2-0. (Xinhua/Hu Jingchen)